If you're looking to support mitochondrial function and cellular energy production, this delivers 20mg of **PQQ** per softgel — right at the top of the 10–20mg clinical range studied for cognitive and mitochondrial benefits. One capsule daily gets you to a full effective dose.

PQQ (pyrroloquinoline quinone) has emerging research supporting its role in promoting the growth of new mitochondria and protecting existing ones from oxidative damage. The evidence base is still developing, with most human studies being small, but the results so far are promising for your energy and brain health.

The clinical research on PQQ is limited compared to more established supplements. You're getting a well-dosed product, but keep your expectations calibrated — this is an area where the science is still catching up to the interest.

BioStacks
California Gold Nutrition

PQQ 20 mg

Capsule · 1 Softgel · 30 servings · $0.32/serving

iHerbAmazon

Best for

Longevity

Ingredients (1)

Pyrroloquinoline Quinone

100%

Dose

20 mg

Target

10–20 mg

Form

—

Other Ingredients (7)

MaltitolSweetener

Worst GI tolerance of the common sugar alcohols — laxative effect at doses above ~10–15 g/serving in many adults; threshold is lower in children. Glycemic index (~52) is significantly higher than erythritol (0) or xylitol (~7) — meaningful blood glucose impact at typical serving sizes. The 'sugar-free' marketing claim masks real metabolic effects when consumed in quantity.

Rice Bran OilCarrier

An oil pressed from rice bran, used as a carrier and emollient

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

StarchBinder

Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules

Rice Bran WaxCoating

Natural wax extracted from rice bran, used as a coating and glazing agent in supplements and food products

Sunflower LecithinEmulsifier

Non-GMO, non-allergenic emulsifier derived from sunflower seeds

Purified WaterSolvent

Water meeting USP specifications used as solvent/vehicle in gummies and liquids

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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